2022-02-09_PERMIT FILE - M2021046 (7)

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Permit No. Owner Depth(ft) Use Distance from Lithology Underground Workings(ft) 295711 Zephyr Gold USA LTD 140 Monitoring N/A Precambrian 295712 Zephyr Gold USA LTD 220 Monitoring 813 Dakota formation 59631 Keller Randy&Whited Jeri 88 Domestic/ 3,982 Dakota Jean Stock formation 73772 Joe Spurgin 231 Household 3,821 Precambrian 99071 Ronald McClain 60 Domestic 6,142 Precambrian The first two wells are monitoring wells owned by Zephyr Gold USA LTD and are currently used and will continue to be used to monitor actual ground water level changes caused by the mining.The Well Construction and Test Report (GWS-31) are on file with the DWR and provided herein. There are only two wells located within 1 mile of the mine, Permit No. 59631 (the Keller Well) and Permit No. 73772. These wells are located approximately 3,982 feet and 3,821 from the underground mine workings, respectively. These wells are generally located to the northeast of and downgradient from the mine workings and affected area. As presented, both of these wells are separated from the mine workings by faulting which will limit the potential for any changes in quantity or quality in the wells from the operation of the mine. 2.7.1.1 Permit No. 295712 The well completed under Permit Number 295712 (the North Well) was completed in sedimentary bedrock material. The lithologic log for the well identifies clay, shale, slate and sandstone material. Based on the lithologic log for the well and the available geologic mapping (Miscellaneous Investigations Series Map 1-869),the well is completed in the Lytle Sandstone Member of the Dakota Sandstone/ Purgatoire Formation. 2.7.1.2 Permit No. 2957111 The well completed under Permit Number 295711 (the South Well)was completed in granitic bedrock material. The lithologic log for the well identifies granite material. Based on the lithologic log for the well and the available geologic mapping,the well is completed in a Quartz Diorite or Migmatic Gneiss material. 2.7.1.3 Permit No. 59631 Permit No. 59631 (the Keller Well) is located to the northeast of the property on the American Placer as shown in Figure 1, was permitted for domestic and stock uses,was constructed in September of 1972 to a total depth of 88 feet with steel casing and perforated sections. The well had an original static water level of 67 feet and reported a pumping rate of 14 gpm. The well is constructed in the sedimentary bedrock material neighboring the Precambrian material and, accordingly, is not completed in the same geologic material as the mine. 37